Commits on Jun 27, 2025

1. Sync to upstream/release/680 (#1894) …

   # What's Changed?
   
   This week includes many changes to bring the behaviours of the Old and
   New Luau Type Solver more in line.
   * The old solver now stringifies tables identically to the new solver.
   Sealed tables are stringified as `{ ... }` and unsealed tables are
   represented by `{| ... |}`, regardless of your choice of solver.
   
   
   ## New Type Solver
   
   * Miscellaneous fixes to make the Luau Frontend able to dynamically
   toggle which solve is used.
   * Small fixes to reduce instances of nondeterminism of the New Type
   Solver.
   * Issue an error when a function that has multiple non-viable overloads
   is used.
   * Subtyping now returns more information about the generics for type
   inference to consume.
   * Stop stuck type-functions from blocking type inference. This should
   lead to fewer instances of 'type inference failed to complete'.
   
   ## Fragment Autocomplete
   * Fixed a bug where incremental autocomplete wouldn't be able to provide
   results directly on a required module script.
   `require(script.Module).{request completions here}` will now recommend
   the properties returned by the required object.
   
   ---
   Co-authored-by: Andy Friesen <afriesen@roblox.com>
   Co-authored-by: Hunter Goldstein <hgoldstein@roblox.com>
   Co-authored-by: Sora Kanosue <skanosue@roblox.com>
   Co-authored-by: Talha Pathan <tpathan@roblox.com>
   Co-authored-by: Vighnesh Vijay <vvijay@roblox.com>

   

   

   6 people authored Jun 27, 2025
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